O Ground Throw Rigid from Caboose Industries Item Number:CAB107 Easy Manual Turnout Control Without Touching Your Rails Strong, self-lubricating black Delrin ground throws with external cam for strength and maximum throw. Molded on pin for direct mounting. All 100 series (Rigid) stands require modelers to fabricate a spring connecting link between the stand and the turnout. All 200 series units (Sprung) have internal springs so they can be connected directly to the turnout throwbar....